A decades-long search to identify a mysterious blood antigen has led researchers to a hidden genetic difference found in a tiny number of people.

Blood type plays a critical role in medical emergencies, especially during transfusions. Some blood types are extremely rare, which can make finding compatible donors more difficult in urgent ...

Add Popular Science (opens in a new tab) More information Adding us as a Preferred Source in Google by using this link indicates that you would like to see more of our content in Google News results.

More than 100 years ago, Dr. Karl Landsteiner discovered that not all red blood cells are alike. He found that, when different people's blood was mixed, it would often clump up and curdle, destroying ...

Scientists have discovered a new blood group that has so far only been identified in one woman, from the French overseas region of Guadeloupe. The 68-year-old is the only known person in the world to ...

Forbes contributors publish independent expert analyses and insights. I write about biodiversity and the hidden quirks of the natural world. This voice experience is generated by AI. Learn more. This ...

There are rare blood types beyond the eight most common ones, and researchers have discovered one more that brings the total count to 49. Blood type A(B) is caused by a four gene mutations and was ...